xenon difluoride
- Formula: F2Xe
- Molecular weight: 169.290
- CAS Registry Number: 13709-36-9
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Gas phase ion energetics data
Go To: Top, Vibrational and/or electronic energy levels, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to F2Xe+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 12.33 ± 0.03 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
12.35 ± 0.01 | PI | Berkowitz, Chupka, et al., 1971 | LLK |
12.35 ± 0.01 | PE | Brundle, Robin, et al., 1970 | RDSH |
12.33 ± 0.02 | PE | Brehm, Menzinger, et al., 1970 | RDSH |
12.28 | PI | Morrison, Nicholson, et al., 1968 | RDSH |
12.4 | S | Nielsen and Schwarz, 1976 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
XeF+ | 12.90 | F | PI | Berkowitz, Chupka, et al., 1971, 2 | LLK |
XeF+ | 12.86 | F | PI | Morrison, Nicholson, et al., 1968 | RDSH |
Xe+ | 11.481 | F+F-? | PI | Berkowitz, Chupka, et al., 1971, 2 | LLK |
Xe+ | ~15.3 | 2F | PI | Berkowitz, Chupka, et al., 1971, 2 | LLK |
Xe+ | 12.0 ± 0.1 | F+F-? | EI | Svec and Flesch, 1963 | RDSH |
Vibrational and/or electronic energy levels
Go To: Top, Gas phase ion energetics data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Marilyn E. Jacox
State: 6p 1Sg
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 87400 | gas | 6p1Sg-X | 114 | 114 | Nielsen and Schwarz, 1976 | ||
State: 5d 1Πu
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 86000 | gas | 5d1Πu,1/2-X | 116 | 116 | Jortner, Wilson, et al., 1963 | ||
Wilson, Jortner, et al., 1963 | |||||||
Nielsen and Schwarz, 1976 | |||||||
To = 80800 | gas | 5d1Πu,3/2-X | 124 | 124 | Jortner, Wilson, et al., 1963 | ||
Wilson, Jortner, et al., 1963 | |||||||
Nielsen and Schwarz, 1976 | |||||||
State: 6s 1Πu
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 73870 | gas | 6s1Πu,1/2-X | 135 | 135 | Jortner, Wilson, et al., 1963 | ||
Wilson, Jortner, et al., 1963 | |||||||
Brundle, Robin, et al., 1970 | |||||||
Nielsen and Schwarz, 1976 | |||||||
To = 69300 | gas | 6s1Πu,3/2-X | 144 | 144 | Jortner, Wilson, et al., 1963 | ||
Wilson, Jortner, et al., 1963 | |||||||
Brundle, Robin, et al., 1970 | |||||||
Nielsen and Schwarz, 1976 | |||||||
State: B
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 63300 | gas | B-X | 158 | 158 | Jortner, Wilson, et al., 1963 | ||
Wilson, Jortner, et al., 1963 | |||||||
Nielsen and Schwarz, 1976 | |||||||
State: A
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Tx = 43500 | gas | A-X | 230 | 230 | Jortner, Wilson, et al., 1963 | ||
Wilson, Jortner, et al., 1963 | |||||||
Pysh, Jortner, et al., 1964 | |||||||
Nielsen and Schwarz, 1976 | |||||||
State: 5d
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Σg+ | 1 | Sym. stretch | 484 ± 24 | gas | AB | Nielsen and Schwarz, 1976 | |
Πu | 2 | Bend | 200 | T | gas | AB | Nielsen and Schwarz, 1976 Nielsen and Schwarz, 1976 |
Σg+ | 1 | Sym. stretch | 524 ± 8 | gas | AB | Nielsen and Schwarz, 1976 | |
State: 6s
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Σg+ | 1 | Sym. stretch | 500 ± 16 | gas | AB | Nielsen and Schwarz, 1976 | |
1 | Sym. stretch | 532 ± 8 | gas | AB | Nielsen and Schwarz, 1976 | ||
Πu | 2 | Bend | 73 ± 8 | gas | AB | Nielsen and Schwarz, 1976 | |
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Σg+ | 1 | Sym. stretch | 516.5 ± 0.5 | gas | Ra | Tsao, Cobb, et al., 1971 Brassington and Edwards, 1987 | |
1 | Sym. stretch | 512 | Ar | Ra | Howard and Andrews, 1974 | ||
1 | Sym. stretch | 512 | Xe | Ra | Howard and Andrews, 1974 | ||
Πu | 2 | Bend | 213.08 | s | gas | IR | Agron, Begun, et al., 1963 Burger and Ma, 1993 Burger, Ma, et al., 1994 |
2 | Bend | 215 | Ar | IR | Ault, Andrews, et al., 1977 | ||
Σu+ | 3 | Asym. stretch | 560.10 | s | gas | IR | Smith, 1963 Agron, Begun, et al., 1963 Reichman and Schreiner, 1969 Burger and Ma, 1993 |
3 | Asym. stretch | 547 | Ar | IR | Turner and Pimentel, 963 | ||
Additional references: Jacox, 1994, page 120; Jacox, 1998, page 209; Burger, Kuna, et al., 1994
Notes
s | Strong |
T | Tentative assignment or approximate value |
o | Energy separation between the v = 0 levels of the excited and electronic ground states. |
x | Energy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state. |
References
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Berkowitz, Chupka, et al., 1971
Berkowitz, J.; Chupka, W.A.; Guyon, P.M.; Holloway, J.; Spohr, R.,
Photo-ionization studies of F2, HF, DF, and the xenon fluorides,
Advan. Mass Spectrom., 1971, 5, 112. [all data]
Brundle, Robin, et al., 1970
Brundle, C.R.; Robin, M.B.; Jones, G.R.,
High resolution He I and He II photoelectron spectra of xenon difluoride,
J. Chem. Phys., 1970, 52, 3383. [all data]
Brehm, Menzinger, et al., 1970
Brehm, B.; Menzinger, M.; Zorn, C.,
The photoelectron spectrum of XeF2,
Can. J. Chem., 1970, 48, 3193. [all data]
Morrison, Nicholson, et al., 1968
Morrison, J.D.; Nicholson, A.J.C.; O'Donnell, T.A.,
Ionization and dissociation of xenon difluoride induced by photon impact,
J. Chem. Phys., 1968, 49, 959. [all data]
Nielsen and Schwarz, 1976
Nielsen, U.; Schwarz, W.H.E.,
VUV spectra of the xenon fluorides,
Chem. Phys., 1976, 13, 195. [all data]
Berkowitz, Chupka, et al., 1971, 2
Berkowitz, J.; Chupka, W.A.; Guyon, P.M.; Holloway, J.H.; Spohr, R.,
Photoionization mass spectrometric study of XeF2, XeF4, and XeF6,
J. Phys. Chem., 1971, 75, 1461. [all data]
Svec and Flesch, 1963
Svec, H.J.; Flesch, G.D.,
Thermochemical properties of xenon difluoride and xenon tetrafluoride from massspectra,
Science, 1963, 142, 954. [all data]
Jortner, Wilson, et al., 1963
Jortner, J.; Wilson, E.G.; Rice, W.A.,
Noble- Gas Compounds, H. H. Hyman, ed(s)., University of Chicago Press, Chicago, Ill., 1963, 358. [all data]
Wilson, Jortner, et al., 1963
Wilson, E.G.; Jortner, J.; Rice, S.A.,
A far-ultraviolet spectroscopic study of xenon difluoride,
J. Am. Chem. Soc., 1963, 85, 813. [all data]
Pysh, Jortner, et al., 1964
Pysh, E.S.; Jortner, J.; Rice, S.A.,
Forbidden Electronic Transitions in XeF2 and XeF4,
J. Chem. Phys., 1964, 40, 7, 2018, https://doi.org/10.1063/1.1725437
. [all data]
Tsao, Cobb, et al., 1971
Tsao, P.; Cobb, C.C.; Claassen, H.H.,
Raman Spectra for XeF2, XeF4, and XeOF4 Vapors, and Force Constant Calculations,
J. Chem. Phys., 1971, 54, 12, 5247, https://doi.org/10.1063/1.1674821
. [all data]
Brassington and Edwards, 1987
Brassington, N.J.; Edwards, H.G.M.,
Vibrational spectrum and force constants of xenon (II) fluoride,
J. Mol. Struct., 1987, 162, 1-2, 69, https://doi.org/10.1016/0022-2860(87)85023-8
. [all data]
Howard and Andrews, 1974
Howard, W.F., Jr.; Andrews, L.,
Synthesis of noble-gas dihalides by laser photolysis of matrix-isolated halogens,
J. Am. Chem. Soc., 1974, 96, 26, 7864, https://doi.org/10.1021/ja00833a004
. [all data]
Agron, Begun, et al., 1963
Agron, P.A.; Begun, G.M.; Levy, H.A.; Mason, A.A.; Jones, C.G.; Smith, D.F.,
Xenon Difluoride and the Nature of the Xenon-Fluorine Bond,
Science, 1963, 139, 3557, 842, https://doi.org/10.1126/science.139.3557.842
. [all data]
Burger and Ma, 1993
Burger, N.; Ma, S.,
The Ground State and Equilibrium Structure of XeF2,
J. Mol. Spectrosc., 1993, 157, 2, 536, https://doi.org/10.1006/jmsp.1993.1043
. [all data]
Burger, Ma, et al., 1994
Burger, H.; Ma, S.; Winnewisser, B.P.,
High-Resolution FTIR Investigation of the ν2 Band of KrF2 and XeF2,
J. Mol. Spectrosc., 1994, 164, 1, 84, https://doi.org/10.1006/jmsp.1994.1058
. [all data]
Ault, Andrews, et al., 1977
Ault, B.S.; Andrews, L.; Green, D.W.; Reedy, G.T.,
A search for the infrared fundamental of matrix-isolated XeF,
J. Chem. Phys., 1977, 66, 7, 2786, https://doi.org/10.1063/1.434349
. [all data]
Smith, 1963
Smith, D.F.,
Xenon Difluoride,
J. Chem. Phys., 1963, 38, 1, 270, https://doi.org/10.1063/1.1733476
. [all data]
Reichman and Schreiner, 1969
Reichman, S.; Schreiner, F.,
Gas-Phase Structure of XeF2,
J. Chem. Phys., 1969, 51, 6, 2355, https://doi.org/10.1063/1.1672351
. [all data]
Turner and Pimentel, 963
Turner, J.J.; Pimentel, G.C.,
Noble-Gas Compounds, H. H. Hyman, ed(s)., University of Chicago Press, Chicago, Ill., 963, 101. [all data]
Jacox, 1994
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]
Jacox, 1998
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement A,
J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017
. [all data]
Burger, Kuna, et al., 1994
Burger, H.; Kuna, R.; Ma, S.; Breidung, J.; Thiel, W.,
The vibrational spectra of krypton and xenon difluoride: High-resolution infrared studies and ab initio calculations,
J. Chem. Phys., 1994, 101, 1, 1, https://doi.org/10.1063/1.468170
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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